1115640622 has 16 divisors (see below), whose sum is σ = 1751248800. Its totient is φ = 532030752.

The previous prime is 1115640601. The next prime is 1115640637. The reversal of 1115640622 is 2260465111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18693 + ... + 50800.

It is an arithmetic number, because the mean of its divisors is an integer number (109453050).

Almost surely, 2^1115640622 is an apocalyptic number.

1115640622 is a deficient number, since it is larger than the sum of its proper divisors (635608178).

1115640622 is a wasteful number, since it uses less digits than its factorization.

1115640622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69867.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1115640622 is about 33401.2068943624. The cubic root of 1115640622 is about 1037.1496848347.

The spelling of 1115640622 in words is "one billion, one hundred fifteen million, six hundred forty thousand, six hundred twenty-two".